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Factory Method Pattern

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Before: full revision: 2026-10-25 00:29:25 UTC After: full revision: 2026-10-25 01:38:48 UTC

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~~Export~~ ~~jobs~~ ~~share~~ a ~~workflow,~~ ~~but~~ CSV and JSON ~~jobs~~ ~~need~~ ~~different~~ ~~writers~~. ~~Repeating~~ the ~~whole~~ ~~workflow~~ ~~merely~~ to ~~change~~ ~~its~~ ~~writer~~ ~~makes~~ ~~maintenance~~ ~~harder~~.

The same data needs a different output string in CSV and JSON. A writer is the object responsible for this conversion. If only the writer changes, the export jobs can share their workflow rather than repeat it for each format.